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B-SIDE

A daily CTF challenge with a fun new puzzle every day

What is B-SIDE?

This side program features challenges with a different flavor from Daily AlpacaHack. We publish one harder or more unconventional challenge every few days.

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Solve each challenge within its time window to appear on the leaderboard.

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Today's Challenge
colza
kappa maki
Pwn
Hard
8 solves
Submissions (latest 3)
mti

SOLVED!

Jul 11, 5:49 PM

kurgm

SOLVED!

Jul 11, 4:58 PM

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Writeups

Writeup for missing ✌️

goroshirow

ja
missing ✌️

2026/07/07 15:19

tchen

Writeup for InstaTalk

author
en

2026/07/06 07:37

Rows:

kappa maki

Topic: seccompReleased: Jul 12, 2026

8 solves
Pwn
Hard8.5

by

colza

At "Kappatei," a sushi restaurant run by a legendary kappa, when you order their special kappa maki, you can apparently choose between the new kappa maki and the old kappa maki!
ヽ(・ω・oヽ)Kappapaヽ(o・ω・o)ノkappa(ノo・ω・)ノpapa♪

kappa-maki.tar.gz

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